--- a/crates/evm-coder/src/abi/impls.rs
+++ b/crates/evm-coder/src/abi/impls.rs
@@ -276,7 +276,7 @@
 	fn abi_write(&self, writer: &mut AbiWriter) {
 		match self {
 			Some(value) => (true, value).abi_write(writer),
-			None => (true, T::default()).abi_write(writer),
+			None => (false, T::default()).abi_write(writer),
 		}
 	}
 }
--- a/crates/evm-coder/src/solidity/impls.rs
+++ b/crates/evm-coder/src/solidity/impls.rs
@@ -141,8 +141,6 @@
 
 impl<T: SolidityTypeName> super::SolidityStructTy for Option<T> {
 	fn generate_solidity_interface(tc: &TypeCollector) -> String {
-		// use super::solidity::*;
-
 		let mut solidity_name = "Option_".to_string();
 		T::solidity_name(&mut solidity_name, tc);
 		let solidity_name_str = solidity_name.as_str();